Simplify some cases that use return None to use ?

helix-core/src/indent.rs

@@ -194,10 +194,7 @@ fn get_highest_syntax_node_at_bytepos(syntax: &Syntax, pos: usize) -> Option<Nod
     let tree = syntax.tree();
 
     // named_descendant
-    let mut node = match tree.root_node().descendant_for_byte_range(pos, pos) {
+    let mut node = tree.root_node().descendant_for_byte_range(pos, pos)?;
-        Some(node) => node,
-        None => return None,
-    };
 
     while let Some(parent) = node.parent() {
         if parent.start_byte() == node.start_byte() {

helix-term/src/commands/dap.rs

@@ -165,10 +165,7 @@ fn get_breakpoint_at_current_line(editor: &mut Editor) -> Option<(usize, Breakpo
     let text = doc.text().slice(..);
 
     let line = doc.selection(view.id).primary().cursor_line(text);
-    let path = match doc.path() {
+    let path = doc.path()?;
-        Some(path) => path,
-        None => return None,
-    };
     editor.breakpoints.get(path).and_then(|breakpoints| {
         let i = breakpoints.iter().position(|b| b.line == line);
         i.map(|i| (i, breakpoints[i].clone()))

helix-view/src/gutter.rs

@@ -119,12 +119,7 @@ pub fn breakpoints<'doc>(
     Box::new(move |line: usize, _selected: bool, out: &mut String| {
         let breakpoint = breakpoints
             .iter()
-            .find(|breakpoint| breakpoint.line == line);
+            .find(|breakpoint| breakpoint.line == line)?;
-
-        let breakpoint = match breakpoint {
-            Some(b) => b,
-            None => return None,
-        };
 
         let mut style = if breakpoint.condition.is_some() && breakpoint.log_message.is_some() {
             error.add_modifier(Modifier::UNDERLINED)